| Abbreviation | Definition |
|---|---|
| AAKA | All Anglia Karate Association |
| ABK | America's Best Karate |
| ABKA | American Bushido-kai Karate Association |
| ACKD | Academy of Classical Karate Do |
| AJKA | American JKA Karate Association |
| AKA | American Karate Association |
| AKF | Amateur Karate Foundation |
| AKF | Australian Karate Federation |
| AKKA | American Kenpo Karate Association |
| AKKI | American Kenpo Karate International |
| AOK | Amateur Organization of Karate |
| AOOMKA | All Okinawan Ozark Mountain Karate Association |
| AOOMKA | All Okinawan Ozark Mountain Karate Association's |
| ASKA | Amateur Shotokan Karate Association |
| ASKA | American Shotokan Karate Alliance |
| ASKC | American Sport Karate Centers |
| ASKC | Arkansas Sport Karate Circuit |
| ASKI | Association of Sports Karate India |
| ASKU | American Shukokai Karate Union |
| ASSK | Australian School of Shotokan Karate |